Question

a can do a piece of work in 15 days and B can do it in 10 days B work it at 5 days and then leaves a can finish the remaining work in how many days​

Answer 1

Answer:

7.5 days

Step-by-step explanation:

B completes half the work in 5 days.

Then A needs to comple the remaining half, since he takes 15 days for full work, then A will take 7.5 days for half work